Rocco Sisto (born 1953) is an American stage, film, television, and voice actor.
He studied acting at New York University's Graduate Acting Program at the Tisch School of the Arts, graduating in 1977. 
On television, Sisto played young Junior Soprano in the HBO series The Sopranos. He has also appeared in Law & Order, Star Trek: The Next Generation and CSI: Crime Scene Investigation.
In film he has been seen in After Hours, The American Astronaut, Illuminata, Donnie Brasco, and Carlito's Way. His voice work includes Grand Theft Auto: San Andreas.
Sisto has acted in the New York Shakespeare Festival at the Delacorte Theater. In 1996 he received a Drama Desk Award nomination for his acting in the play Quills.
- "The Wives Are Merry but Far From Windsor", The New York Times, July 8, 1994